net.jselby.pc.network.NetworkServer.java Source code

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Here is the source code for net.jselby.pc.network.NetworkServer.java

Source

/*
 * PoweredCube3
 * Copyright (C) 2014 James
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.jselby.pc.network;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;

/**
 * Adapted from Netty documentation
 */
public class NetworkServer extends Thread {

    public final int port;
    private ChannelFuture f = null;
    private EventLoopGroup bossGroup;
    private EventLoopGroup workerGroup;

    public NetworkServer(int port) {
        this.port = port;
    }

    public void run() {
        bossGroup = new NioEventLoopGroup();
        workerGroup = new NioEventLoopGroup();
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .childHandler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception {
                            ch.pipeline().addLast(new PacketDecoder(), new ClientConnectionHandler());
                        }
                    }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

            System.out.println("Binding to port " + port + "...");
            ChannelFuture fut = b.bind("0.0.0.0", port).sync();
            this.f = fut.channel().closeFuture();
        } catch (InterruptedException e) {
            e.printStackTrace();
        } finally {
        }
    }

    public void waitForClose() {
        try {
            f.sync();
            workerGroup.shutdownGracefully();
            bossGroup.shutdownGracefully();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    public boolean isBound() {
        return f != null;
    }
}